Defect Analysis and Remediation Tool

A method comprising:

• comparing a first secondary output of a set of secondary outputs to a first primary output of a set of primary outputs, the set of primary outputs obtained from a first system, the set of secondary outputs obtained from a second system using the set of inputs and the set of input parameters, wherein:
• the set of primary outputs comprises the first primary output, a second primary output, and a third primary output;
• the set of secondary outputs comprises the first secondary output, a second secondary output, and a third secondary output;
• the first secondary output is the same as the first primary output;
• the second secondary output is different from the second primary output;
• the third secondary output is different from the third primary output;
• and
• the second system contains one or more errors such that if the second system did not contain the cone or more errors, the first secondary output would be the same as the first primary output, the second secondary output would be the same as the second primary output, and the third secondary output would be the same as the third primary output;
• labeling the first secondary output as accurate in response to determining that the first secondary output is the same as the first primary output;
• comparing the second secondary output of the set of secondary outputs to the second primary output of the set of primary outputs, and labeling the second secondary output as inaccurate in response to determining that the second secondary output is different from the second primary output;
• comparing the third secondary output of the set of secondary outputs to the third primary output of the set of primary outputs and labeling the third secondary output as inaccurate in response to determining that the third secondary output is different from the third primary output;
• forming a first matrix of basis functions chosen from a set of basis functions to represent the second system, each row of the first matrix including a first number of functions comprising one or more first functions of a set of first functions, one or more second functions of a set of second functions, and one or more third functions of a set of third functions, the set of first functions comprising functions of one adjustable parameter, the set of second functions comprising functions of two adjustable parameters, the set of third functions comprising functions of three adjustable parameters;
• forming a first set of equations by setting the first matrix multiplied by a first vector comprising the set of inputs and the set of input parameters equal to a second vector comprising the set of secondary outputs;
• determining that a first solution to the first set of equations does not exist;
• in response to determining that the first solution to the first set of equations does not exist:
• forming a second matrix of basis functions chosen from the set of basis functions to represent the second system, each row of the second matrix including a second number of basis functions comprising two or more first functions of the set of first functions, two or more second functions of the set of second functions, and two or more third functions of the set of third functions, the second number twice as large as the first number;
• forming a second set of equations by setting the second matrix multiplied by a third vector comprising the set of inputs, a first copy of the set of inputs, the set of input parameters, and a second copy of the set of input parameters equal to the second vector comprising the set of secondary outputs;
• determining that a second solution to the second set of equations does exist;
• in response to determining that the second solution to the second set of equations does exist:
• removing at least one basis function from a first row of the second matrix, the at least one basis function comprising either a first second function of the set of second functions or a first third function of the set of third functions;
• forming a third set of equations by setting the second matrix multiplied by the third vector equal to the second vector, wherein setting the first row of the second matrix multiplied by the third vector equal to the second secondary output defines a first equation of the third set of equations;
• determining that a third solution to the third set of equations does exist;
• removing at least one basis function from a second row of the second matrix, the second row different from the first row, the at least one basis function comprising either a second second function of the set of second functions or a second third function of the set of third functions;
• forming a fourth set of equations by setting the second matrix multiplied by the third vector equal to the second vector, wherein setting the second row of the second matrix multiplied by the third vector equal to the third second secondary output defines a second equation of the fourth set of equations;
• determining that a fourth solution to the fourth set of equations does not exist;
• and
• in response to determining that the third solution does exist and that the fourth solution does not exist, sending the second secondary output as a remediation candidate to an administrator.

A system comprising:

• a storage element operable to store:
• a set of Gaussian basis functions comprising a set of first functions, a set of second functions, and a set of third functions, the set of first functions comprising functions of one adjustable parameter, the set of second functions comprising functions of two adjustable parameters, the set of third functions comprising functions of three adjustable parameters;
• a set of inputs;
• a set of input parameters;
• a set of primary outputs obtained from a first system, the set of primary outputs comprising a first primary output, a second primary output, and a third primary output;
• and
• a set of secondary outputs obtained from a second system using the set of inputs and the set of input parameters, the set of secondary outputs comprising a first secondary output, a second secondary output, and a third secondary output, the first secondary output the same as the first primary output, the second secondary output different from the second primary output, and the third secondary output different from the third primary output, wherein the second system contains one or more errors such that if the second system did not contain the one or more errors the first secondary output would be the same as the first primary output, the second secondary output would be the same as the second primary output, and the third secondary output would be the same as the third primary output;
• a processing element operable to:
• compare the first secondary output to the first primary output and label the first secondary output as accurate in response to determining that the first secondary output is the same as the first primary output;
• compare the second secondary output to the second primary output and label the second secondary output as inaccurate in response to determining that the second secondary output is different from the second primary output;
• compare the third secondary output to the third primary output and label the third secondary output as inaccurate in response to determining that the third secondary output is different from the third primary output;
• form a first matrix of basis functions chosen from the set of basis functions to represent the second system, each row of the first matrix including a first number of functions comprising one or more first functions of the set of first functions, one or more second functions of the set of second functions, and one or more third functions of the set of third functions;
• form a first set of equations by setting the first matrix multiplied by a first vector comprising the set of inputs and the set of input parameters equal to a second vector comprising the set of secondary outputs;
• determine that a first solution to the first set of equations does not exist;
• in response to determining that the first solution to the first set of equations does not exist:
• form a second matrix of basis functions chosen from the set of basis functions to represent the second system, each row of the second matrix including a second number of basis functions comprising two or more first functions of the set of first functions, two or more second functions of the set of second functions, and two or more third functions of the set of third functions, the second number twice as large as the first number;
• form a second set of equations by setting the second matrix multiplied by a third vector comprising the set of inputs, a first copy of the set of inputs, the set of input parameters, and a second copy of the set of input parameters equal to the second vector comprising the set of secondary outputs;
• determine that a second solution to the second set of equations does exist;
• in response to determining that the second solution to the second set of equations does exist:
• remove at least one basis function from a first row of the second matrix, the at least one basis function comprising either a first second function of the set of second functions or a first third function of the set of third functions;
• form a third set of equations by setting the second matrix multiplied by the third vector equal to the second vector, wherein setting the first row of the second matrix multiplied by the third vector equal to the second secondary output defines a first equation of the third set of equations;
• determine that a third solution to the third set of equations does exist;
• remove at least one basis function from a second row of the second matrix, the second row different from the first row, the at least one basis function comprising either a second second function of the set of second functions or a second third function of the set of third functions;
• form a fourth set of equations by setting the second matrix multiplied by the third vector equal to the second vector, wherein setting the second row of the second matrix multiplied by the third vector equal to the third secondary output defines a second equation of the fourth set of equations;
• determine that a fourth solution to the fourth set of equations does not exist;
• and
• in response to determining that the third solution does exist and that the fourth solution does not exist, send the second secondary output as a remediation candidate to an administrator.
• remove at least one basis function from a second row of the second matrix, the at least one basis function comprising either a second second function of the set of second functions or a second third function of the set of third functions;
• form a third set of equations by setting the second matrix multiplied by the third vector equal to the second vector, wherein setting the first row of the second matrix multiplied by the third vector equal to the second secondary output defines a first equation of the third set of equations and setting the second row of the second matrix multiplied by the first vector equal to the third secondary output defines a second equation of the third set of equations;
• determine that a third solution to the first equation exists;
• determine that a fourth solution to the second equation does not exist;
• and
• in response to determining that the third solution to the first equation exists and that the fourth solution to the second equation does not exist, send the second secondary output as a remediation candidate to an administrator.